Seismic symphonies of minor earthquakes may affect grand movements on major faults.

A series of small earthquakes shook the San Francisco Bay ... may also prompt U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a smaller earthquake that follows ...

Was there an earthquake now? Track the latest quakes and aftershocks in California with this interactive map. Data is provided ... Check for and extinguish small fires. For more detailed ...

T he map is the first to include all 50 states ... Petersen pointed out that small earthquakes happen frequently and often aren't felt at all. But large ones are an entirely different scenario.

The findings could allow researchers to hunt for conditions in which small fractures would have the potential to grow into a large earthquake, or not, which could improve disaster preparedness in ...

The first North Carolina-based earthquake this year hit Friday morning — and then another one hit Saturday morning in the ...

Several small earthquakes have been reported near Lake ... It was a 2.1 magnitude quake and was 5.3 miles down. USGS Shake Map A 2.3 magnitude quake hit the same area at 8:37 p.m. June 9.

BUFFALO, Ohio (WJW) — A small earthquake shook parts of eastern Ohio ... according to the USGS “Did You Feel It?” map. The shaking was described as light and brief. There were no reports ...